A few days ago
yangkai90

Math Question?

If 3^x = 54, then 3^(x-2) =

a. 3.8

b. 4.5

c. 6.0

d. 7.3

e. 9.0

Top 3 Answers
A few days ago
Alan

Favorite Answer

3^(x-2) = 3^x * 3^(-2)

and 3^(-2) = 1/9

So 3^(x-2) = 54 / 9

Which equals 6.0 (c) last time I checked

0

A few days ago
Mehman
c. makes the most sense
0

A few days ago
jreed s
c.

Solving for x gives you x=3.6309

3^1.6309=6

1